... neutral 1. High content, this product is a concentrated chemical boron product, the content of boron is more ... is two times higher than the content of boron in borax.2,Quick dissolve, this product ... 15 hectare1. High content, this product is a concentrated chemical boron product, the content of boron is more than ... is two times higher than the content of boron in borax.2,Quick dissolve, this product ...